﻿// Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most 
// MySQL Connectors. There are special exceptions to the terms and 
// conditions of the GPLv2 as it is applied to this software, see the 
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
// for more details.
//
// You should have received a copy of the GNU General Public License along 
// with this program; if not, write to the Free Software Foundation, Inc., 
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System;
using System.Linq;
using System.Text;
using System.IO;

namespace MySql.Data.Entity
{
  /// <summary>
  /// Enables the creation of MySQL logs for applications. 
  /// </summary>
  public class MySqlLogger : TextWriter
  {
    private readonly Action<string> _action;
    public MySqlLogger(Action<string> action)
    {
      _action = action;
    }

    public override void Write(char[] buffer, int index, int count)
    {
      Write(new string(buffer, index, count));
    }

    public override void Write(string value)
    {
      _action.Invoke(value);
    }

    public override Encoding Encoding
    {
      get { return Encoding.Default; }
    }

    public static StreamWriter Logger(string logPath, bool append)
    {
      return new StreamWriter(path: logPath, append: append) { AutoFlush = true };
    }
  }
}
